/* Noticias 3xi — estilos (mobile first) */
:root{
  --negro:#0A0A0A; --negro-2:#141414; --negro-3:#1C1C1C;
  --blanco:#FFFFFF; --gris:#B4B4B4; --gris-2:#7A7A7A; --borde:#2A2A2A;
  /* Paleta oficial 3xi */
  --naranja:#E4AB4D; --naranja-fuerte:#E0702D; --verde:#4DB799; --teal:#34ABC9;
  --morado:#985DAA; --magenta:#DF1987; --amarillo:#D1EA22; --azul:#776ADE;
  --font:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --radio:16px; --ancho:1120px; --pad:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--negro);color:var(--blanco);font-family:var(--font);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--naranja);outline-offset:3px}
.saltar{position:absolute;left:-999px;top:8px;background:var(--blanco);color:var(--negro);padding:8px 12px;border-radius:8px;z-index:100}
.saltar:focus{left:8px}

/* Barra multicolor */
.barra-3xi{display:flex;height:5px}
.barra-3xi span{flex:1}
.barra-3xi span:nth-child(1){background:var(--naranja-fuerte)}
.barra-3xi span:nth-child(2){background:var(--verde)}
.barra-3xi span:nth-child(3){background:var(--teal)}
.barra-3xi span:nth-child(4){background:var(--morado)}
.barra-3xi span:nth-child(5){background:var(--magenta)}
.barra-3xi span:nth-child(6){background:var(--amarillo)}

/* Header fijo */
.topbar{position:sticky;top:0;z-index:50;background:rgba(10,10,10,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--borde)}
.topbar-inner{max-width:var(--ancho);margin:0 auto;padding:10px var(--pad);display:flex;align-items:center;justify-content:space-between;gap:12px}
.marca{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:.3px}
.marca img{height:30px;width:auto;border-radius:6px}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;border:1px solid transparent;transition:transform .15s,background .15s,border-color .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primario{background:var(--naranja);color:var(--negro)}
.btn-primario:hover{background:var(--naranja-fuerte)}
.btn-secundario{background:transparent;color:var(--blanco);border-color:#444}
.btn-secundario:hover{border-color:var(--blanco)}
.btn-chico{min-height:38px;padding:8px 14px;font-size:13px}

/* Banner */
.banner{position:relative;display:grid;place-items:center;text-align:center;min-height:300px;padding:48px var(--pad);
  background:#222 url("../assets/banner-800.webp") center/cover no-repeat;overflow:hidden}
.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,.55),rgba(10,10,10,.75) 70%,var(--negro))}
.banner-contenido{position:relative;max-width:760px}
.banner-rotulo{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;padding:6px 14px;border-radius:999px;background:rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.2);margin-bottom:18px}
.banner h1{font-size:clamp(38px,11vw,96px);line-height:.98;letter-spacing:-1.5px;font-weight:800;text-shadow:0 2px 20px rgba(0,0,0,.7)}
.banner h1 span{color:var(--naranja)}
.banner-bajada{margin-top:14px;font-size:clamp(16px,4.2vw,22px);color:#EDEDED;text-shadow:0 1px 10px rgba(0,0,0,.8)}

/* Estructura */
main{max-width:var(--ancho);margin:0 auto;padding:0 var(--pad) 40px}
.bloque{padding:28px 0}
.semana-head{padding:32px 0 4px}
.eyebrow{color:var(--naranja);font-weight:700;letter-spacing:2.5px;text-transform:uppercase;font-size:12px}
.eyebrow .sep{opacity:.5;margin:0 4px}
.eyebrow-fecha{color:#EDEDED;letter-spacing:1px;text-transform:none;font-weight:600;font-size:13px}
.banner-logo{display:block;margin:0 auto 18px;height:64px;width:auto}
.semana-head h2,.archivo-head h1{font-size:clamp(28px,7vw,48px);line-height:1.05;font-weight:800;margin-top:6px;letter-spacing:-.5px}
.sub{color:var(--gris);margin-top:10px}
.sub a{color:var(--naranja)}
.subtitulo{font-size:22px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.subtitulo::before{content:"";width:22px;height:4px;border-radius:2px;background:var(--naranja)}
.subtitulo-sec{color:var(--gris);margin:-6px 0 16px}
.subtitulo-sec:first-child{margin-top:0}
h2{font-size:24px;line-height:1.15;font-weight:800}

/* Video */
.video{position:relative;display:block;width:100%;aspect-ratio:16/9;border-radius:var(--radio);overflow:hidden;background:#000;border:0;padding:0}
.video img{width:100%;height:100%;object-fit:cover;opacity:.88;transition:opacity .2s}
.video:hover img{opacity:1}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:68px;height:68px;border-radius:50%;background:var(--naranja);color:var(--negro);display:grid;place-items:center;box-shadow:0 6px 24px rgba(0,0,0,.5);transition:transform .15s}
.video:hover .play{transform:translate(-50%,-50%) scale(1.07)}
.video .play svg{width:30px;height:30px;margin-left:3px}
/* Video vertical (Shorts): formato 9:16, centrado y de ancho acotado */
.video.video-vertical{aspect-ratio:9/16;max-width:340px;margin-inline:auto}
.video.video-vertical img{position:absolute;inset:0}
.video-pendiente{display:grid;place-items:center;color:var(--gris);background:var(--negro-3);border:1px dashed #3a3a3a}
.video-desc{margin-top:16px;color:#DADADA;font-size:16px}

/* Cards de noticias */
.grilla{display:grid;gap:18px}
.card{background:var(--negro-2);border:1px solid var(--borde);border-radius:var(--radio);overflow:hidden;display:flex;flex-direction:column}
.card .video{border-radius:0}
.card-img img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-cover{display:grid;place-items:center;aspect-ratio:16/7;text-decoration:none;font-size:46px}
.cover-0{background:linear-gradient(135deg,var(--naranja-fuerte),var(--naranja))}
.cover-1{background:linear-gradient(135deg,var(--teal),var(--verde))}
.cover-2{background:linear-gradient(135deg,var(--morado),var(--magenta))}
.cover-3{background:linear-gradient(135deg,var(--azul),var(--teal))}
.cover-4{background:linear-gradient(135deg,var(--verde),var(--amarillo))}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h4{font-size:19px;line-height:1.25;font-weight:800}
.card p{color:#CFCFCF;font-size:15px}
.leer-mas{color:var(--naranja);font-weight:700;text-decoration:none;font-size:15px;padding:6px 0}
.leer-mas:hover{text-decoration:underline}

/* Compartir */
.compartir{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:10px}
.compartir-label{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gris-2);font-weight:700;margin-right:4px}
.red{width:40px;height:40px;border-radius:50%;border:1px solid var(--borde);background:var(--negro-3);display:grid;place-items:center;transition:transform .15s,background .15s,color .15s}
.red svg{width:20px;height:20px}
.red:hover{transform:translateY(-2px)}
.red-whatsapp:hover{background:#25D366;color:#fff;border-color:#25D366}
.red-facebook:hover{background:#1877F2;color:#fff;border-color:#1877F2}
.red-linkedin:hover{background:#0A66C2;color:#fff;border-color:#0A66C2}
.red-copiar:hover{background:var(--blanco);color:var(--negro)}
.video-principal .compartir{margin-top:14px}
/* Menú compartir del header */
.menu-compartir{position:relative}
.menu-compartir-panel{position:absolute;right:0;top:calc(100% + 10px);background:var(--negro-2);border:1px solid var(--borde);border-radius:var(--radio);padding:12px 14px;box-shadow:0 10px 30px rgba(0,0,0,.5);width:max-content;max-width:calc(100vw - 32px)}
.menu-compartir-panel[hidden]{display:none}
.menu-compartir-panel .compartir{padding-top:0;flex-wrap:nowrap}

/* Eventos */
.evento{background:var(--negro-2);border:1px solid var(--borde);border-radius:var(--radio);overflow:hidden;display:grid}
.evento-img{width:100%;aspect-ratio:16/7;object-fit:cover}
.evento-img-vacia{display:grid;place-items:center;font-size:46px;background:linear-gradient(135deg,var(--morado),var(--azul) 55%,var(--teal))}
.evento-body{padding:20px;display:flex;flex-direction:column;gap:12px}
.evento h4{font-size:22px;line-height:1.2;font-weight:800}
.evento p{color:#CFCFCF}
.evento-tipo{align-self:flex-start;font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;line-height:1;padding:4px 7px;border-radius:999px}
.evento-tipo-3xi{background:var(--naranja);color:var(--negro)}
.evento-tipo-externo{border:1px solid var(--gris-2);color:var(--gris)}
.evento-meta{display:grid;gap:10px;grid-template-columns:1fr 1fr;background:var(--negro-3);border-radius:12px;padding:14px}
.evento-meta dt{font-size:12px;color:var(--gris-2);text-transform:uppercase;letter-spacing:1px;font-weight:700}
.evento-meta dd{font-weight:600;font-size:15px}
.evento-acciones{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-start}
/* Agregar a mi calendario */
.menu-cal .btn svg{width:18px;height:18px;flex:none}
.menu-cal-panel{margin-top:8px;background:var(--negro-3);border:1px solid var(--borde);border-radius:var(--radio);padding:6px;display:grid;gap:2px;width:max-content;max-width:100%}
.menu-cal-panel[hidden]{display:none}
.cal-op{display:flex;align-items:center;gap:12px;min-height:44px;padding:8px 12px;border-radius:10px;color:var(--blanco);text-decoration:none;font-size:15px;font-weight:600;line-height:1.25}
.cal-op:hover,.cal-op:focus-visible{background:#262626}
.cal-op small{display:block;font-size:12px;font-weight:400;color:var(--gris)}
.cal-marca{flex:none;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;font-weight:800;font-size:14px}
.cal-google{background:var(--blanco);color:#4285F4}
.cal-outlook{background:#0F6CBD;color:#fff}
.cal-outlook-p{background:var(--negro-2);border:1px solid #444;color:#fff}
.evento-nota{font-size:14px;color:var(--gris);border-left:3px solid var(--verde);padding-left:12px}

/* Compartir semana / suscribir */
.compartir-semana,.suscribir{margin:12px 0;padding:24px 20px;border-radius:var(--radio);border:1px solid var(--borde)}
.compartir-semana{background:linear-gradient(135deg,rgba(228,171,77,.16),rgba(223,25,135,.10))}
.suscribir{background:linear-gradient(135deg,rgba(52,171,201,.15),rgba(77,183,153,.10))}
.compartir-semana p,.suscribir p{color:#D6D6D6;margin:8px 0 14px}
.suscribir .btn{margin-top:4px}

/* Semanas anteriores */
.anteriores h2{margin-bottom:14px}
.semana-pasada{border:1px solid var(--borde);border-radius:14px;background:var(--negro-2);margin-bottom:10px;overflow:hidden}
.semana-pasada summary{list-style:none;cursor:pointer;padding:16px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:700;min-height:56px}
.semana-pasada summary::-webkit-details-marker{display:none}
.semana-pasada .chev{font-size:22px;color:var(--naranja);transition:transform .2s}
.semana-pasada[open] .chev{transform:rotate(45deg)}
.semana-pasada-cont{padding:0 16px 8px;border-top:1px solid var(--borde)}
.anteriores > .btn{margin-top:10px}
.vacio{color:var(--gris);padding:8px 0 4px}

/* Archivo */
.archivo-head{padding-top:36px}
.lista-archivo{list-style:none;display:grid;gap:10px}
.lista-archivo a{display:grid;grid-template-columns:1fr auto;gap:2px 12px;align-items:center;text-decoration:none;padding:18px;border:1px solid var(--borde);border-radius:14px;background:var(--negro-2);transition:border-color .15s}
.lista-archivo a:hover{border-color:var(--naranja)}
.archivo-titulo{font-weight:700}
.archivo-titulo em{font-style:normal;font-size:11px;background:var(--naranja);color:var(--negro);padding:2px 8px;border-radius:999px;margin-left:6px;vertical-align:middle}
.archivo-meta{color:var(--gris);font-size:14px;grid-column:1}
.flecha{grid-column:2;grid-row:1/3;color:var(--naranja);font-size:20px}

/* Footer */
.footer{margin-top:20px;background:var(--negro-2);border-top:1px solid var(--borde)}
.footer-inner{max-width:var(--ancho);margin:0 auto;padding:28px var(--pad) calc(28px + env(safe-area-inset-bottom));display:grid;gap:20px}
.footer-marca{display:flex;align-items:center;gap:12px}
.footer-marca img{height:40px;width:auto;border-radius:8px}
.footer-marca strong{display:block}
.footer-marca span{color:var(--gris);font-size:14px}
.footer-datos{list-style:none;display:grid;gap:10px;font-size:15px}
.footer-datos li span{display:block;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--gris-2);font-weight:700}
.footer-datos a{color:var(--naranja)}

/* Toast */
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translate(-50%,140%);background:var(--blanco);color:var(--negro);padding:12px 18px;border-radius:12px;font-weight:600;font-size:15px;box-shadow:0 10px 30px rgba(0,0,0,.4);width:max-content;max-width:calc(100% - 32px);transition:transform .25s,opacity .25s,visibility .25s;z-index:80;opacity:0;visibility:hidden}
.toast.visible{transform:translate(-50%,0);opacity:1;visibility:visible}

/* Tablet y escritorio */
@media (min-width:700px){
  .compartir{gap:8px}
  .red{width:42px;height:42px}
  :root{--pad:24px}
  .banner{min-height:440px;background-image:url("../assets/banner.webp")}
  .grilla{grid-template-columns:1fr 1fr}
  .evento{grid-template-columns:320px 1fr}
  .evento-img{aspect-ratio:auto;height:100%}
  .evento-meta{grid-template-columns:repeat(4,1fr)}
  .footer-inner{grid-template-columns:1fr 2fr;align-items:center}
  .footer-datos{grid-template-columns:repeat(3,1fr)}
  .compartir-semana,.suscribir{padding:32px}
}
@media (min-width:1000px){
  .video-principal{display:grid;grid-template-columns:1.6fr 1fr;gap:28px;align-items:start}
  .video-principal .video-desc{margin-top:0}
  .video-principal .compartir{grid-column:2}
  .video-principal > .video{grid-row:span 2}
  /* El encabezado de la sección ocupa las dos columnas, sobre el video */
  .video-principal > .subtitulo,.video-principal > .subtitulo-sec{grid-column:1/-1;margin-bottom:-12px}
}
@media (min-width:1000px){
  /* Con video vertical: video a la izquierda; a la derecha línea naranja, texto y compartir, centrados en altura */
  .video-principal.es-vertical{grid-template-columns:300px 1fr;gap:56px;align-items:center}
  .video-principal.es-vertical > .video{grid-row:auto;max-width:300px;margin:0}
  .video-principal.es-vertical .video-texto{border-left:4px solid var(--naranja);padding-left:28px}
  .video-principal.es-vertical .video-texto .video-desc{font-size:21px;line-height:1.55;color:#EDEDED}
  .video-principal.es-vertical .video-texto .compartir{margin-top:32px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Biblioteca de estudios: carrusel de documentos (más discreto que las noticias) */
.bib-cab{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.bib-cab .subtitulo-sec{margin-bottom:0}
.bib-cab .subtitulo{margin-bottom:10px}
.bib-nav{display:flex;gap:8px;margin-bottom:2px}
.bib-nav button{width:40px;height:40px;border-radius:50%;border:1px solid #444;background:transparent;color:var(--blanco);font-size:18px;line-height:1}
.bib-nav button:hover:not(:disabled){border-color:var(--blanco)}
.bib-nav button:disabled{opacity:.3;cursor:default}
.carrusel{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 3*16px)/4);gap:16px;margin-top:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.carrusel::-webkit-scrollbar{display:none}
.doc{scroll-snap-align:start;aspect-ratio:1/1;background:var(--negro-2);border:1px solid var(--borde);border-radius:14px;display:flex;flex-direction:column;overflow:hidden}
.doc-prev{flex:0 0 46%;position:relative;background:#1b1b1b;display:grid;place-items:center;overflow:hidden}
.doc-prev img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.doc-sin{font-size:40px;opacity:.6}
.doc-body{padding:10px 12px;display:flex;flex-direction:column;gap:2px;flex:1;min-height:0}
.doc-body h4,.doc-body p{flex:none}
.doc-body h4{font-size:14px;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.doc-body p{font-size:12px;color:var(--gris);line-height:1.35;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.doc-pie{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:6px}
.doc-por{font-size:11px;color:var(--gris-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-dl{flex:none;font-size:12px;font-weight:700;color:var(--naranja);text-decoration:none;border:1px solid #444;border-radius:999px;padding:5px 10px}
.doc-dl:hover{border-color:var(--naranja)}
.puntos{display:none;justify-content:center;gap:6px;margin-top:12px}
.puntos i{width:7px;height:7px;border-radius:50%;background:#444}
.puntos i.on{background:var(--naranja)}
@media(max-width:999px){.carrusel{grid-auto-columns:calc((100% - 2*16px)/3)}}
@media(max-width:700px){
  .carrusel{grid-auto-columns:84%}
  .bib-nav{display:none}
  .puntos{display:flex}
  .doc-body p{-webkit-line-clamp:2}
}